package cn.tedu.storage.mapper;

import cn.tedu.storage.entity.Storage;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

/**
 * @Author wy
 * @Date 2021/3/4 17:05
 * @Version 1.0
 */
public interface StorageMapper extends BaseMapper<Storage> {
    void decrease(Long productId,Integer count);
}
